Home / 88,047,315-121,505,294.70-49,416,147

Finding the Fourth Proportional to 88,047,315, 121,505,294.70 and 49,416,147

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Solution

The fourth proportional to 88,047,315, 121,505,294.70 and 49,416,147 is: 68,194,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,047,315 : 121,505,294.70 = 49,416,147 : x
  2. Step 2: Convert to fraction form
    88,047,315/121,505,294.70 = 49,416,147/x
  3. Step 3: Cross multiply
    88,047,315x = 121,505,294.70 × 49,416,147
  4. Step 4: Simplify right side
    88,047,315x = 6,004,323,504,173,521
  5. Step 5: Solve for x
    x = 6,004,323,504,173,521/88,047,315
  6. Step 6: Final answer
    x = 68,194,282.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.